1. ; Osaka Municipal Technical Researche Institute; 1-6-50 Morinomiya, Joto-ku 536-8553 Osaka Japan
2. Fuji Chemical Industry, Co. Ltd.; 930-0397 Toyama Japan
3. ; Department of Agricultural Chemistry, School of Agriculture; Kinki University; 631-8505 Nara Japan
4. ; Faculty of Engineering; Tokushima Bunri University; 769-2101 Kagawa Japan